v3.25.4

Revenue - Schedule of Disaggregation of Revenue between Software Solutions, Tech-Enabled Services and Print and Distribution by Reportable Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Total	$ 767.0	$ 781.9	$ 797.2
Software Solutions
Disaggregation of Revenue [Line Items]
Total	358.4	329.7	292.7
Tech-enabled Services
Disaggregation of Revenue [Line Items]
Total	298.3	320.8	336.9
Print and Distribution
Disaggregation of Revenue [Line Items]
Total	110.3	131.4	167.6
Capital Markets - Software Solutions
Disaggregation of Revenue [Line Items]
Total	230.0	213.6	185.9
Capital Markets - Software Solutions | Software Solutions
Disaggregation of Revenue [Line Items]
Total	230.0	213.6	185.9
Capital Markets - Software Solutions | Tech-enabled Services
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0
Capital Markets - Software Solutions | Print and Distribution
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0
Capital Markets - Compliance and Communications Management
Disaggregation of Revenue [Line Items]
Total	296.2	321.7	355.4
Capital Markets - Compliance and Communications Management | Software Solutions
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0
Capital Markets - Compliance and Communications Management | Tech-enabled Services
Disaggregation of Revenue [Line Items]
Total	231.6	250.0	264.9
Capital Markets - Compliance and Communications Management | Print and Distribution
Disaggregation of Revenue [Line Items]
Total	64.6	71.7	90.5
Investment Companies - Software Solutions
Disaggregation of Revenue [Line Items]
Total	128.4	116.1	106.8
Investment Companies - Software Solutions | Software Solutions
Disaggregation of Revenue [Line Items]
Total	128.4	116.1	106.8
Investment Companies - Software Solutions | Tech-enabled Services
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0
Investment Companies - Software Solutions | Print and Distribution
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0
Investment Companies - Compliance and Communications Management
Disaggregation of Revenue [Line Items]
Total	112.4	130.5	149.1
Investment Companies - Compliance and Communications Management | Software Solutions
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0
Investment Companies - Compliance and Communications Management | Tech-enabled Services
Disaggregation of Revenue [Line Items]
Total	66.7	70.8	72.0
Investment Companies - Compliance and Communications Management | Print and Distribution
Disaggregation of Revenue [Line Items]
Total	$ 45.7	$ 59.7	$ 77.1

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